PTH meaning

PTH, or parathyroid hormone, is a hormone produced by the parathyroid glands that helps regulate calcium levels in the blood.


PTH definitions

Word backwards HTP
Part of speech The part of speech of the word "PTH" is an abbreviation for "parathyroid hormone."
Syllabic division PTH has only one syllable.
Plural The plural of PTH is PTHs.
Total letters 3
Vogais (0)
Consonants (3) p,t,h

What is PTH?

Parathyroid hormone (PTH) is a substance produced by the parathyroid glands, which are four small glands located behind the thyroid gland in the neck. PTH plays a crucial role in regulating the calcium and phosphorus levels in the body. It helps control calcium levels by acting on the bones, kidneys, and intestines. PTH plays a vital role in maintaining bone health and overall mineral balance in the body.

Function of PTH

PTH helps regulate calcium levels in the blood by stimulating the release of calcium from bones into the bloodstream when levels are low. It also enhances the reabsorption of calcium in the kidneys and promotes the activation of vitamin D, which helps the intestines absorb more calcium. Additionally, PTH helps regulate phosphorus levels in the blood by promoting its excretion through the kidneys.

Parathyroid Disorders

Disorders related to the parathyroid glands can lead to issues with PTH production and regulation, resulting in conditions such as hyperparathyroidism and hypoparathyroidism. Hyperparathyroidism occurs when the parathyroid glands produce too much PTH, leading to elevated calcium levels in the blood. On the other hand, hypoparathyroidism is characterized by abnormally low levels of PTH, resulting in decreased calcium levels in the blood.

Diagnosis and Treatment

Physicians use blood tests to measure PTH levels and assess calcium and phosphorus levels to diagnose parathyroid disorders. Treatment for hyperparathyroidism may involve medications to lower calcium levels, while severe cases may require surgery to remove the affected parathyroid gland. Hypoparathyroidism is typically managed with calcium and vitamin D supplements to raise calcium levels in the blood. Regular monitoring of PTH levels is essential for managing these conditions effectively.


PTH Examples

  1. The parathyroid hormone (PTH) regulates calcium levels in the body.
  2. Patients with hyperparathyroidism may have elevated PTH levels.
  3. PTH plays a role in bone formation and resorption.
  4. A lack of PTH can lead to hypocalcemia.
  5. Endocrinologists often measure PTH levels in patients with certain conditions.
  6. PTH secretion is controlled by the body's calcium-sensing mechanisms.
  7. PTH receptors are found in various tissues throughout the body.
  8. Excessive PTH production can result in bone loss.
  9. PTH is synthesized and released by the parathyroid glands.
  10. Abnormal PTH levels can indicate underlying medical issues.


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  • Updated 22/06/2024 - 03:38:18